>> Search results for: C78931 NSN Search Results National Stock Number (NSN) Description 1660-01-050-0021, 1660010500021 COVER INSULATING,BLEED,TEST PORT 1660-01-243-7769 , 1660012437769 COVER INSULATING,BLANKET 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information